The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2019
Filed:
Jun. 20, 2017
Semiconductor Components Industries, Llc, Phoenix, AZ (US);
Tetsuya Tokunaga, Oura-gun, JP;
Takayasu Otagaki, Ota, JP;
Kazuyoshi Ishikawa, Kumagaya, JP;
Stephen John Sheard, Tempe, AZ (US);
SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC, Phoenix, AZ (US);
Abstract
In accordance with at least one embodiment, a method for detecting a liquid level includes providing a container () having a cavity, and disposing a sensor () in the cavity of the container (), such that a ground pattern () on a first surface of the sensor () is positioned to contact a liquid in the cavity. A first electrode () and a second electrode () are located on a second surface of the sensor (). The sensor () is coupled to a sensor input and a sensor driver. A cable coupling the sensor () to a touch sensor () comprises a shield line () that is coupled to ground.